/* ============================================================
   TC AUTO DETAILZ — NAV + OVERLAY
   ============================================================ */

nav {
  position: fixed;
  top: 0; width: 100%; z-index: 1000;
  background: rgba(2,10,10,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,115,255,0.25);
  padding: 0 40px; height: 70px;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-logo {
  font-family: 'Orbitron', monospace;
  font-size: 1.3rem; font-weight: 900;
  letter-spacing: 2px; text-decoration: none;
  background: none; -webkit-text-fill-color: inherit;
  flex-shrink: 0;
}

.nav-menu {
  display: flex; align-items: center; gap: 4px; list-style: none;
}

.nav-item { position: relative; }

.nav-link {
  display: flex; align-items: center; gap: 5px;
  color: #8899aa; text-decoration: none;
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.85rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  padding: 8px 14px; border-radius: 2px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap; cursor: pointer;
}
.nav-link:hover { color: #4da6ff; background: rgba(0,115,255,0.08); }
.nav-link.active { color: #0073ff; }

.nav-arrow {
  font-size: 0.6rem; transition: transform 0.3s ease; display: inline-block;
}
.nav-item.open .nav-arrow { transform: rotate(180deg); }

/* ---- OVERLAY ---- */
.nav-overlay {
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: rgba(2,10,10,0.97);
  border-top: 2px solid #0073ff;
  border-bottom: 1px solid rgba(0,115,255,0.2);
  z-index: 999;
  opacity: 0; visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.28s cubic-bezier(0.4,0,0.2,1);
  max-height: calc(100vh - 70px);
  overflow-y: auto;
}
.nav-item.open .nav-overlay {
  opacity: 1; visibility: visible; transform: translateY(0);
}

.overlay-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 40px 40px 48px;
}

.overlay-label {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.7rem; letter-spacing: 5px; text-transform: uppercase;
  color: #0073ff; margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(0,115,255,0.15);
}

.overlay-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.overlay-card {
  background: #061c1c;
  border: 1px solid rgba(0,115,255,0.12);
  padding: 24px 20px;
  text-decoration: none;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.2s, transform 0.2s;
  position: relative; overflow: hidden;
}
.overlay-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, #0073ff, transparent);
  opacity: 0; transition: opacity 0.2s;
}
.overlay-card:hover { border-color: rgba(0,115,255,0.4); transform: translateY(-2px); }
.overlay-card:hover::before { opacity: 1; }

.overlay-card-img {
  width: 100%; height: 120px; overflow: hidden; border-radius: 1px;
}
.overlay-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.8) saturate(1.1);
  transition: transform 0.3s, filter 0.3s;
}
.overlay-card:hover .overlay-card-img img {
  transform: scale(1.05); filter: brightness(0.95) saturate(1.2);
}
.overlay-card-name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.9rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: #c8d8e8;
}
.overlay-card-desc {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.78rem; font-weight: 300;
  color: #8899aa; line-height: 1.6;
}
.overlay-card-cta {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: #0073ff; margin-top: auto;
  transition: color 0.2s;
}
.overlay-card:hover .overlay-card-cta { color: #4da6ff; }

.overlay-footer {
  margin-top: 24px; padding-top: 16px;
  border-top: 1px solid rgba(0,115,255,0.1);
  display: flex; justify-content: flex-end;
}
.overlay-footer a {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: #8899aa; text-decoration: none;
  transition: color 0.2s;
}
.overlay-footer a:hover { color: #0073ff; }

/* BOOK NOW */
.nav-cta-btn {
  background: #0073ff !important; color: #f0f8ff !important;
  padding: 9px 22px !important; border-radius: 2px;
  letter-spacing: 2px; margin-left: 8px;
  border: 1px solid #0073ff;
  transition: background 0.2s, box-shadow 0.2s !important;
}
.nav-cta-btn:hover {
  background: #4da6ff !important;
  box-shadow: 0 0 20px rgba(0,115,255,0.5) !important;
}

/* HAMBURGER */
.nav-hamburger {
  display: none; flex-direction: column;
  gap: 5px; cursor: pointer; padding: 4px;
}
.nav-hamburger span {
  width: 22px; height: 2px; background: #8899aa;
  transition: all 0.3s; display: block;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  nav { padding: 0 20px; }
  .nav-hamburger { display: flex; }

  .nav-menu {
    position: fixed; top: 70px; left: 0; right: 0;
    background: rgba(2,10,10,0.98);
    flex-direction: column; align-items: stretch;
    padding: 16px 20px; gap: 4px;
    border-bottom: 1px solid rgba(0,115,255,0.2);
    transform: translateY(-110%);
    transition: transform 0.3s ease; opacity: 0;
    z-index: 998;
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; }

  .nav-overlay {
    position: static; border: none;
    background: transparent;
    transform: none !important;
    opacity: 1 !important; visibility: visible !important;
    display: none; max-height: none;
    border-top: 1px solid rgba(0,115,255,0.15);
    margin-top: 4px;
  }
  .nav-item.open .nav-overlay { display: block; }

  .overlay-inner { padding: 16px 0; }
  .overlay-label { display: none; }
  .overlay-grid { grid-template-columns: 1fr 1fr; gap: 2px; }
  .overlay-card-img { height: 80px; }
  .overlay-card { padding: 16px 14px; }
  .overlay-footer { justify-content: center; }

  .nav-cta-btn { margin-left: 0; text-align: center; }
}

@media (max-width: 480px) {
  .overlay-grid { grid-template-columns: 1fr; }
}